Global Patent Index - EP 1242748 A1

EP 1242748 A1 2002-09-25 - MOBILE HANDLING DEVICE

Title (en)

MOBILE HANDLING DEVICE

Title (de)

ARBEITSMASCHINE

Title (fr)

DISPOSITIF DE MANIPULATION MOBILE

Publication

EP 1242748 A1 (EN)

Application

EP 00986103 A

Priority

  • SE 0002360 W
  • SE 9904796 A

Abstract (en)

[origin: WO0148387A1] The present invention relates to a mobile handling device with a hydraulic circuit, which hydraulic circuit (L) comprises a lifting cylinder (1) arranged in a lifting device (100) suitable for handling a variable load and an accumulator (6) for recovering or recycling lowering load energy, the hydraulic circuit also comprising a variable hydraulic machine (3) with two ports (10, 11), which hydraulic machine is capable via a drice unit (D) of emitting full system pressure in two flow directions to said ports, one port (11) being connected to said accumulator (6) and the other port being connected to said lifting cylinder (1). The device is characterised in that the hydraulic circuit (L) comprises a first stop valve (2) arranged in the line between one port (10) of the hydraulic motor and the lifting cylinder (1), and a second stop valve (5) arranged in the line between the hydraulic motor's second port (11) and the accumulator (6), and that the hydraulic circuit (L) comprises a second accumulator (20), which is connected via at least one non-return valve (31) to the line between the hydraulic machine (3) and the lifting cylinder (1).

IPC 1-7 (main, further and additional classification)

F15B 21/14

IPC 8 full level (invention and additional information)

B66C 13/28 (2006.01); E02F 9/22 (2006.01); F15B 1/02 (2006.01); F15B 11/00 (2006.01); F15B 11/02 (2006.01); F15B 11/16 (2006.01); F15B 21/14 (2006.01)

CPC (invention and additional information)

E02F 9/2217 (2013.01); B66C 13/28 (2013.01); F15B 1/024 (2013.01); F15B 21/14 (2013.01)

Citation (search report)

See references of WO 0148387A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

EPO simple patent family

WO 0148387 A1 20010705; AT 321214 T 20060415; AU 2239801 A 20010709; DE 60026881 D1 20060511; EP 1242748 A1 20020925; EP 1242748 B1 20060322; JP 2003518595 A 20030610; SE 521308 C2 20031021; SE 9904796 D0 19991227; SE 9904796 L 20010628; US 2002189250 A1 20021219; US 2005016169 A1 20050127; US 6804957 B2 20041019; US 7007465 B2 20060307

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